Hi Jeffery, It can't work because the addresses are translated. You'll have to put the unprotected client on the DMZ or outside the ISA Server. HTH, Tom Thomas W Shinder www.isaserver.org/shinder ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp -----Original Message----- From: Zhangjb2 [mailto:zhangjb2@xxxxxxxxxxx] Sent: Wednesday, January 29, 2003 9:49 AM To: [ISAserver.org Discussion List] Subject: [isalist] RE: access internal from ISA outside http://www.ISAserver.org Actually I use ISA server as a firewall between our two subnets, not for internet. I regard one as outside net and would like clients there to access server inside. Could you give any suggestion about it? thanks Jeffrey ----- Original Message ----- From: "John Tolmachoff" <isalist@xxxxxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Wednesday, January 29, 2003 10:38 AM Subject: [isalist] RE: access internal from ISA outside > http://www.ISAserver.org > > > > But server publishing need address mapping, the clients have to access the > > ISA external IP address. I would like to access internal IP address > > directly. > > In a sentence, it is impossible from the Internet to reach a private > internal resource that is using a private IP address as defined by RFC by > using that private IP address. > > John Tolmachoff MCSE, CSSA > IT Manager, Network Engineer > RelianceSoft, Inc. > Fullerton, CA 92835 > www.reliancesoft.com > > > > > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Exchange Server Resource Site: http://www.msexchange.org/ > Windows Security Resource Site: http://www.windowsecurity.com/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: zhangjb2@xxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') > ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: tshinder@xxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')